A really useful article, gotta keep them tips in mind
Below are bits from the article just to entice you into reading more of it, I don't want to copy and rewrite them here as it is not mine to begin with.
Food Photography – An Introduction by Darren Rowse
Treat the food you’re photographing as you would any other still life subject and ensure that it is well lit
Pay attention not only to the arrangement of the food itself but to the context that you put it in including the plate or bowl and any table settings around it.
3. Be Quick
Food doesn’t keep it’s appetizing looks for long.
4. Style it
The way food is set out on the plate is as important as the way you photograph it.
5. Enhance it
... make it glisten in your shots...
6. Get Down Low
A mistake that many beginner food photographers make...
Really focusing in upon just one part of the dish can be an effective...
Having steam rising off your food can give it a ‘just cooked’ feel ...